The federal agency overseeing water and power is in the market for 52,000 rounds of ammunition for its officers at Hoover Dam and the Lake Mead National Recreation Area, raising questions about weapons for non-military purposes.

Republican presidential hopeful Donald Trump drew a few thousand people to a rally against illegal immigration at the Phoenix Convention Center on Saturday. Outside, more than a hundred protesters waved signs accusing Trump and his guest speaker, Maricopa County Sheriff Joe Arpaio, of racism.

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